28 September: Founded by a group of four Keio University research project members, including Yoshida, with capital stock of ¥15 million.
2006
28 September: Founded by a group of four Keio University research project members, including Yoshida, with capital stock of ¥15 million.
2007-
2008
Completes the first lithium-ion battery cell.
Completes the electriccity strage system prototype.
2009
25 September:
Opened Kansai Office (Chuo-ku, Osaka City, Osaka Prefecture).
Opened Technology Development Center (Otsu City, Shiga Prefecture).
26 November: Delivered the first stand-alone lithium-ion EV charging station to Kanagawa Prefectural Government.
2010
6 April: Opens the Kawasaki Plant (Kawasaki City, Kanagawa Prefecture). Completes construction of Building P in Kawasaki Plant.
19 May: Launched POWER YIILE large-size lithium-ion electricity storage system.
29 September: POWER YIILE PLUS receives a Good Design Award 2010.
2011
12 August: Awarded the world's first-ever TÜV-S Mark safety standard certification for a large-size lithium-ion battery from international third-party testing and certification organization TÜV Rheinland Japan.
2012
30 March: The POWER YIILE PLUS large-size lithium-ion electricity storage system obtains first certification through a subsidy from the Ministry of Economy, Trade and Industry.
June: Completes construction of Building L and Building E in Kawasaki Plant.
December: Announcement of the development of the Power Storager 10 general-purpose electricity storage system for industrial use.
2013
7 January: POWER YIILE PLUS receives a 2012 Nikkei Superior Products & Services Award (Nikkei Business Daily Award).
18 February: Announcement of the launch of the POWER iE 6 stationary electricity storage system.
18 March: The Kawasaki Office receives the 2012 (19th) City of Kawasaki commendation for contributions to urban landscape development.
4 July: Obtains certification for wide-area collection and transport of general and industrial waste from the Ministry of the Environment.
1 October: POWER iE 6 receives a Good Design Award 2013.
2014
April: Demonstration of bullet penetration test of the battery cell.
September: Launches ELIIY ONE portable electricity storage system.
October Announces the partnership with Enphase Energy in distributed electricity storage systems.
November: ELIIY ONE receives a Good Design Award 2014.
2015
April: Launches POWER iE6 HYBRID solar power generation/electricity storage hybrid system.
2016
April: Launches POWER YIILE 3 electricity storage system for indoor use.
September: POWER YIILE 3 receives a Good Design Award 2016.
October: Launches HY battEliiy P-series starter battery for motorcycles.
December: POWER YIILE 3 receives a JIDA Design Museum Selection Vol.18"Gold Selection Award".
2017
January:
A book about Eliiy Power brought out:
"Challenge to Non-flammable Battery - Hiroichi Yosida,an Entrepreneur from the Age of 69"Nikkei Publishing Inc.
June: Lithium-ion starter battery HY85S for motorcycle is equipped with Honda 2018 model CRF450R/RX as standard.
4 October: Lithium-ion starter battery “HY series battery” receives a Good Design Award 2017.
2018
29 January: Launches POWER iE5 Link electricity storage hybrid system.
June: Lithium-ion starter battery HY110 for motorcycle is equipped with Honda 2018 model CRF1000L Africa Twin as standard.
15 March: Mazda, ELIIY Power and Ube Industries Agree to Jointly Develop 12-Volt Lithium-ion Starter Batteries for Vehicles.
3 October: POWER iE5 Link receives a Good Design Award 2018.
2019
February: Launches POWER YIILE HEYA wall mounting electricity storage system for indoor use.
August: Launches POWER YIILE HEYA S electricity storage system for indoor use.
2 October: POWER YIILE HEYA receives a Good Design Award 2019.
2021
February: Launches Power Storager D20 general-purpose electricity storage system for industrial use.
May: Launches POWER iE5 GRID electricity storage hybrid system.
20 October: POWER iE5 GRID receives a Good Design Award 2021.
2023
14 November: ELIIY Power and Suzuki have entered into an additional investment and business alliance agreement.
2024
March: Launches POWER iE Connect V2H electricity storage system.
April: Opens Research and Development Center for Battery Technology in Kawasaki Plant and Seta Office (former Technology Development Center).
2025
April Launched the electricity storage system for industrial use Power Storager GX
July Launched the new HY battEliiy P-series HY93SS starter battery for motorcycles which incorporates our new technology SyncCell
October Launched the new HY battEliiy P-series HY110SS starter battery for motorcycles which incorporates SyncCell technology and featuring increased capacity over the HY93SS
